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238949429 is a prime number
BaseRepresentation
bin11100011111000…
…01010000110101
3121122121212222212
432033201100311
5442132340204
635413303205
75631015365
oct1617412065
9548555885
10238949429
11112976274
1268034b05
133a6738c4
1423a409a5
1515e9ec6e
hexe3e1435

238949429 has 2 divisors, whose sum is σ = 238949430. Its totient is φ = 238949428.

The previous prime is 238949413. The next prime is 238949437. The reversal of 238949429 is 924949832.

It is a happy number.

238949429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 216148804 + 22800625 = 14702^2 + 4775^2 .

It is a cyclic number.

It is not a de Polignac number, because 238949429 - 24 = 238949413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238949129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119474714 + 119474715.

It is an arithmetic number, because the mean of its divisors is an integer number (119474715).

Almost surely, 2238949429 is an apocalyptic number.

It is an amenable number.

238949429 is a deficient number, since it is larger than the sum of its proper divisors (1).

238949429 is an equidigital number, since it uses as much as digits as its factorization.

238949429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1119744, while the sum is 50.

The square root of 238949429 is about 15457.9891641830. The cubic root of 238949429 is about 620.5384058840.

The spelling of 238949429 in words is "two hundred thirty-eight million, nine hundred forty-nine thousand, four hundred twenty-nine".